function dem_refer = demParam2refer(dem_param)
    latlim = [dem_param.m_end_y + dem_param.m_scale_y / 2, dem_param.m_origin_y - dem_param.m_scale_y / 2];
    lonlim = [dem_param.m_origin_x - dem_param.m_scale_x / 2, dem_param.m_end_x + dem_param.m_scale_x / 2];
    rasterSize = [dem_param.m_size_y, dem_param.m_size_x];
    dem_refer = georefcells(latlim, lonlim, rasterSize, 'ColumnsStartFrom', 'north', 'RowsStartFrom', 'west');
    dem_refer.GeographicCRS = geocrs(4326, "Authority", "EPSG");
end
